Annapolis Junction, Maryland, United States Hybrid / WFH Options
Northrop Grumman
ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many … secure technological solutions to enable strategic objectives. We're looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to … resources, support, and team to do some of the best work of your career. Northrop Grumman's Classified Solutions team is seeking a well-qualified WindowsSystemsAdministrator to join its dynamic team of technical professionals in the Annapolis Junction, MD area. Please note that the selected candidate will be required to work on More ❯
Duration 6 Duration Unit Month(s) Product Contract to Hire Description Teksystems seeks a SystemsAdministrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). The SystemsAdministrator will … PCs, overhead projectors, soft boards, telecommunications, laser and inkjet printers, scanners, and Common Access Cards (CAC). Software support includes, but not limited to Windows operating systems currently supported by Microsoft, Microsoft Office Suite, and various specialty engineering and scientific development tools. Installation of new software releases, system upgrades, evaluation and installation of patches and to … resolve software related issues and Information Assurance Vulnerabilities (IAVs). SystemsAdministrator will coordinate with the Corporate IT Help Desk to maintain the established Incident Tickets and Change Request process to track support using Remedy. Assist with the maintenance and monitoring of the organizational mailbox to ensure that all users receive timely support in response to their More ❯
Linux/WindowsSystemsAdministrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/WindowsSystemsAdministrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal candidate should possess strong expertise in Linux … and Windows operating systems. Key Responsibilities: System Administration: Install, configure, and maintain Linux and Windows servers. Perform routine system monitoring, analysis, and troubleshooting … to ensure optimal system performance. Collaborate with cross-functional teams to design and implement system upgrades, patches, and new applications. Security Management: Implement and maintain security measures to safeguard systems against unauthorized access, vulnerabilities, and data breaches. Conduct regular security audits, vulnerability assessments, and implement corrective actions. Stay updated on the latest security trends, vulnerabilities, and best practices. Scripting More ❯
Linux/WindowsSystemsAdministrator Experience: 4 Years Education Bachelors in IT. Location: Springfield, VA Clearance: Secret Position Overview: The Linux/WindowsSystemsAdministrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal … candidate should possess strong expertise in Linux and Windows operating systems. Key Responsibilities: System Administration: Install, configure, and maintain Linux and Windows servers. Perform routine system monitoring, analysis, and troubleshooting … to ensure optimal system performance. Collaborate with cross-functional teams to design and implement system upgrades, patches, and new applications. Security Management: Implement and maintain security measures to safeguard systems against unauthorized access, vulnerabilities, and data breaches. Conduct regular security audits, vulnerability assessments, and implement corrective actions. Stay updated on the latest security trends, vulnerabilities, and best practices. Scripting More ❯
ABOUT US Rollout Systems works with a wide spectrum of talent to establish an atmosphere that stimulates creativity, constant progress, and achievement. We believe in empowerment for success and providing the tools to do the best job for our customers. Our corporate values are transparent; being open and honest with each other. Come and join our dynamic team! JOB … DESCRIPTION Seeking a highly motivated, talented and driven SystemsAdministrator (Windows/Linux) to work Onsite supporting enterprise IT for our War-fighter customer who upholds America's status as the "Land of the Free" every day, at work, or at play. RESPONSIBILITIES Provide engineering solutions for various and unique problem sets and customers … physical and virtual hardware infrastructure, to include virtual machines and containers Perform routine maintenance and configuration changes to various physical and virtual hosts REQUIREMENTS 8+ years of experience Linux systems administration experience working with Windows Server 2016/2019, Active Directory, DNS, Hyper-V, Group Policy Objects (GPOs), VMware/vSphere, DISA STIGs, ACAS, SAN, Networking More ❯
Position Overview: The Senior WindowsSystemsAdministrator leads complex system administration and endpoint configuration activities within the environment. This role covers the management of enterprise systems, storage, patching, and endpoint solutions across Windows platforms. The role ensures the performance, reliability, and security of infrastructure by managing staff, planning resources, and … Resolve complex technical issues and provide Tier 3 support as necessary. Implement and enforce ARL security, reliability, and performance standards. Promote and maintain documentation and standard operating procedures for systems administration teams. Required Qualifications: Experience: Minimum of 10 years in systems administration and IT infrastructure leadership Education: Master's degree OR Bachelor's degree with an additional … years of experience Certifications (Required): CompTIA Security+ CE or CompTIA Server+ CE MCSA, MCSE, MCP Must meet DoD 8750 and 8140 compliance requirements Technical Environment: Windows Server MCEM (Microsoft Endpoint Configuration Manager) MAC OS RHEL RedHat Enterprise Virtualization Hypervisor KVM Puppet Patching PowerShell WSUS Release Management STIG Compliance Enterprise Storage Backup and Restore Black Bear Technology Solutions More ❯
TMC Technologies is searching for a Lead SystemsAdministrator (Windows) to join our team on a bid effort to provide Information Technology (IT) Infrastructure support services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD). This position requires a TS or TS/SCI security clearance. Work is expected to start in August … system administration of networks and software systems. Experience in system backup/recovery, basic software management, security and library management, installation and configuration of hardware, operating systems and COTS software, operating computer systems in different operating environments, sizing, performance, tuning, hardware/software/network trouble shooting and resource allocation. Experience in maintaining proficiency on More ❯
R- Description We are currently seeking a WindowsSystemsAdministrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part … This position is based in Arlington, VA and is 100% on-site. 2ndShift hours are Monday-Friday, 12pm-8pm. Primary Responsibilities Create, maintain, and implement detailed documentation for standard systems operating procedures to be used across the enterprise. Develop, implement, and monitor policies and standards for allocation related to the use of computing resources. Analyze available hardware and software … Qualifications Prior experienced with DISA and DISA's support to mission partners TS/SCI w/CI Poly Preferred Integration of Network Management (NM) and Element Management (EM) systems with network performance, trouble ticketing, and security subsystems highly desired. Experience with support systems to include enclave Ethernet switches, storage area networks (SAN), and network attached storage (NAS More ❯
I hope you're doing well! I'm reaching out with an exciting opportunity for a Level 5 SystemsAdministrator supporting a Special Access Program (SAP) based in several markets. This is a 1-year contract-to-hire role with a targeted start date of October 20, 2025. Here are the key details: Position: B5 SystemsAdministrator Location: Ft. Meade, MD Clearance: Active Secret required (Top Secret preferred) - No interim clearance accepted Start Date: 10/20/2025 Compensation: Salary around $140-$170k Certifications: Must have Security+ or equivalent Qualifications: • Strong networking background • Experience with STIG deployment and SCAP scanning • Proficiency in Windows and Linux (Red Hat 8/ More ❯
Overview SYSTEMSADMINISTRATOR (MAC/WINDOWS) (RDTE) Bowhead seeks a Systems Administator (MAC/Windows) for our upcoming proposal effort in Dahlgren, VA. The Systems Administator (MAC/Windows) is responsible for system administration and customer support of servers and workstations in a Research, Development, and … problem solving and in-depth consulting for system operations. Will work as part of a team responsible for administration and management of servers, end-user workstations, and potentially clustered systems operating in both unclassified and classified network environments. Analysis, design, and implementation of modifications to the system software in order to improve system performance, correct errors, or fulfill specific … Assist users in applying for accounts, and approving user access. Qualifications A minimum of two to five (2-5) years demonstrated experience in system administration of MAC/Windows workstations. Experience with Linux system management skills a plus. Must have experience with hardware experience with HP and Dell systems. Must meet DoD 8570 Information Assurance Workforce (IAWF More ❯
Zachary Piper Solutions is seeking a Linux & WindowsSystemsAdministrator to support the Research, Development, Test, and Evaluation (RDT&E) network and secure enclaves for NIWC PAC in San Diego, California. This role involves securing and maintaining both Windows and Linux systems, supporting infrastructure design, and ensuring compliance with DoD … cybersecurity standards. Key Responsibilities: - Administer and maintain Windows, Linux, and VMware systems - Perform system hardening in accordance with DISA STIGs, CTOs, and other DoD guidance - Conduct and interpret ACAS scans to identify and remediate vulnerabilities - Configure and maintain Host-Based Security System (HBSS) - Provide technical input for infrastructure design and engineering reviews - Support secure enclaves and … ensure compliance with cybersecurity requirements - Collaborate with team members and work independently as needed Required Qualifications: - Active Secret clearance - Minimum 3+ years of experience with Windowssystems administration - IAT Level II certification (one of the following): - Security+ CE - GSEC - SCNP - SSCP Experience with: - Linux system administration - VMware environments - Applying DISA STIGs and security patches - Writing SOPs More ❯
General Dynamics Information Technology (GDIT) is looking for a skilled IT SystemsAdministrator with experience in Microsoft enterprise environments to support a critical Federal Intelligence Agency contract. This is an excellent opportunity to work alongside a highly skilled technical team in a dynamic and mission-focused environment. In this role, you'll provide Tier II support and … systems administration across multiple large-scale Microsoft-based networks spanning several secure environments. The infrastructure consists of a hybrid mix of Windows and Red Hat Enterprise Linux (RHEL) systems. Key Responsibilities: Perform administrative support for both Windows and Linux environments on physical systems and virtual desktops (EVDI). Troubleshoot system and application … needed. Qualifications: Bachelor's degree in Computer Science, Engineering, or a related technical field, OR equivalent combination of education and experience (including military service). 3+ years of relevant systems administration experience. Active TS/SCI clearance with Polygraph is required. Must have a current DoD 8570 IA certification (e.g., CompTIA Security+ CE, SSCP, or CCNA-Security). Security+ More ❯
the Lead with compliance, i.e. tracking and managing the implementation of security measures and monitoring agents. Your duties will also include user support for Windows desktop systems for both software and hardware issues, a responsibility we all share. A knowledge of the following would be a plus: -networking, specifically using Cisco switches and firewalls -NetApp (data … storage) -Rubrik (backup device) -VMWare -Linux Requirements Active TS/SCI w/Polygraph Clearance Required 10+ years of experience as a SystemsAdministrator in environments of similar complexity. Bachelor's degree in a technical field OR an additional 5 years of SA experience in lieu of degree. Familiarity with Atlassian products-you don't need to More ❯
Overview Abacus Technology is seeking a SystemsAdministrator to provide Windows server support for the Air Force Intranet Control (AFINC) III Support program at Lackland AFB. This is a full-time position. Responsibilities Create and manage capacity and trending reports of system operations. Analyze system requirements and performance of hardware/software systems … and maintenance of Microsoft Windows Server and related servers. Perform annual DISA STIGs compliance checks on all servers and installed software. Qualifications 5+ years experience in systems administration. HS diploma or GED. Must be Security+ certified. Must hold one of the following certifications: Microsoft 365 Certified: Endpoint Administrator Associate or Microsoft Certified: Information Security … Administrator Associate. Experience installing, testing, tuning, maintaining, hardening, upgrading, patching, designing and documenting supporting systems, utility programs, and monitoring tools for physical and virtual Microsoft Windows Servers on both classified and unclassified networks. Experience with system design, implementation, and support of core Windows server infrastructure/components in the environment, specifically More ❯
today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. What You Will Do: Provide IT systems administration in a heterogeneous Microsoft Windows environment. Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of … moderate to high scope and complexity to include the integration of hardware and operating systems (OS). Work with Cybersecurity professionals to maintain security requirements. Provide documentation and training on advanced IT processes and procedures and other tasks as assigned. Monitor trouble ticket system, troubleshoot and resolve issues Systems are operational 24x7 and occasionally require work effort beyond … citizenship is required, as only U.S. citizens are eligible for a security clearance. CompTIA Security+ certification or other industry-recognized certifications relevant to a WindowsSystemAdministrator or ability to acquire within six months of hiring. Experience with Windows architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, and troubleshooting. Experience More ❯
GCyber is seeking a WindowsSystemAdministrator, to support a high profile DISA customer in their mission to improve collaboration and information sharing between defense and intelligence organizations. The WindowsSystemAdministrator will provide operational maintenance, support, and upgrades to hardware, software, and operating systems in a Microsoft Windows Server Environment. As a WindowsSystemAdministrator, you will Monitor health, performance, capacity, and availability of systems. Ensure systems remain patched and compliant at all times. Assist in testing and deployment of new systems and services. Provide support for storage and encrypted file storage capabilities. Provide O&M support to … Active DoD Top Secret/SCI clearance. Must be able to obtain a CI Poly in the future. BS and 4+ years of overall related experience with a Windows servers environment. DoD 8570 IAT II certification (i.e. Security+, CySA+, CCNA-Security, CND, GICSP, GSEC, SSCP) Prior experience with DISA and DISA's support to mission partners preferred. More ❯
secure IT operations team to manage and maintain critical Windows-based infrastructure in a classified environment. We're seeking an experienced WindowsSystemAdministrator with active TS/SCI clearance to ensure the reliability, security, and performance of our enterprise systems. You'll be responsible for managing Windows Server … policies, and organizational units • Install, configure, and maintain Windows-based servers, workstations, and enterprise applications • Implement and maintain security policies, patches, and compliance measures for classified systems • Monitor system performance, troubleshoot issues, and ensure maximum uptime and reliability • Perform regular backup operations and disaster recovery procedures for critical systems • Manage virtualized environments using VMware vSphere … or Hyper-V platforms • Configure and maintain network services including DNS, DHCP, and file sharing services • Implement and maintain endpoint security solutions and antivirus systems • Create and maintain system documentation, procedures, and configuration standards • Conduct security assessments and vulnerability management for Windows infrastructure • Coordinate with cybersecurity teams to implement security controls and incident response procedures • Manage More ❯
Description Experienced Windows Admin with exposure to VMware ESXi Experience with NAS setups Exposure to Linux Exposure to Cisco switches … Experience with Agency security requirements and implementation of STE mechanisms Requirements TS/SCI clearance with a polygraph Bachelor's degree in Technology and 15+ years of experience with systems administration, or 20+ years of experience with systems administration in lieu of a degree More ❯
and voice and video devices. We support local and campus area networks, including wireless and cable plant. AT&T has an opening for a WindowsSystemAdministrator to maintain data, voice and/or video network hardware and systems. This position requires office presence a minimum of 5 days per week and is only located … in the location(s) posted. No relocation is offered. Job Duties/Responsibilities: The WindowsSystemAdministrator will be responsible for administrating day-to-day IT systems to include system availability, backup/restore, configuration changes, maintaining and patching both physical and virtual. Installs new software releases, system upgrades, evaluates and installs patches and … Security System Engineering, or related discipline from an accredited college or university is preferred. DoD 8570 IAT Level 2 Certification Security + Required. Our WindowsSystemAdministrator (SA2) (Government) earns between $72,000 - $147,100 yearly. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this More ❯
San Diego, California, United States Hybrid / WFH Options
Lockheed Martin
the latest technology and contribute to groundbreaking projects that are shaping the future of aerospace and defense. Basic Qualifications: - Solid background/experience with Red Hat Enterprise - Microsoft Windows Server Setup, Configuration, and Administration - Experience providing lab support including: Network/System Administration - Experience with server and desktop management of Linux and Windows environments … Level II or higher certification: CCNA Security, CSA+, GICSP, GSEC, Security + CE, or SSCP is required. - Familiar with Active Directory and SCCM - Experience with Aegis and other BMD systems/platforms - Experience interacting with both internal and external customers/end-users - Must be able to work independently with minimal supervision Security Clearance Statement: This position requires a … based in many states throughout the U.S., and Internationally, with business locations in many nations and territories. Experience Level: Experienced Professional Business Unit: RMS Relocation Available: Possible Career Area: Systems Engineering: Network Systems Engineers Type: Task Order/IDIQ Shift: First More ❯
24x7 coverage of the Windows physical and/or virtual support • Experience within DoD environment or enterprise data center desired • Support day-to-day technical communication systems, alerts and incident tickets queue in support of operations; Open/track change requests and interact with external customers or vendors • Experience with supporting Windows desktops … VMware hardware version • Familiarity with networking security, desktops/laptops, middleware, client/server software • Ability to utilize Office products (Word Excel, OneNote, Teams, OneDrive, PowerPoint, etc), server operating systems, virtualization, managing data, applications, websites, APIs, or database supporting a multi-site, multi-domain Windows forest • Capability to work both independently and as an effective team … and physical or virtual servers in an enterprise environment • Establishing equipment requirements, tracking hardware and software, and staying current with platform, application, & industry developments for Windowssystems • Monitor, identify, investigate, troubleshoot & scope network, hardware, software or security issues to supply recommendations for improvement or resolve problems based on documented solutions • Provide a periodic report of systemMore ❯
Job Duties: • Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions. • Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and any processes related to these … systems • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. • Provide Tier 2 and Tier 3 problem identification, diagnosis and resolution • Provide support for the escalation and communication of status to agency management and internal customers • Install/… and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination therefore • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance • Perform software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in More ❯
Job Duties: • Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions. • Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and any processes related to these … systems • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. • Provide Tier 2 and Tier 3 problem identification, diagnosis and resolution • Provide support for the escalation and communication of status to agency management and internal customers • Install/… and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination therefore • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance • Perform software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in More ❯
Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter. Come … and cost-effective analysis. SPA has an immediate need for a Classified SystemAdministrator to lead the implementation, configuration, and sustainment of Red Hat Enterprise Linux (RHEL) systems alongside VMware-based virtual infrastructure and hardened Windows endpoints. The role is essential to a secure, air-gapped lab environment supporting classified analytics, engineering, and software … development activities. Responsibilities The SystemAdministrator install, configure, and harden RHEL 8/9 systems in alignment with DoD STIGs and CIS Benchmarks. Maintain system patching, package repositories, SELinux policies, and firewalld configurations. Support services, including SSSD integration, systemd configuration, file server management (NFS/SMB), and log forwarding. Develop and maintain baseline hardened images and automation More ❯
Job Duties: • Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions. • Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and any processes related to these … systems • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. • Provide Tier 2 and Tier 3 problem identification, diagnosis and resolution • Provide support for the escalation and communication of status to agency management and internal customers • Install/… and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination therefore • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance • Perform software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in More ❯